2009-05-292009-05-291983https://hdl.handle.net/10365/4715The topic is the weed Leafy Spurge and the issues it presents agriculture in several US states: North and South Dakota, Montana, Wyoming and Nebraska. Each state has had it's own research into the treatment of this weed. In 1978, the USDA began biological studies using insects for addressing this problem.North Dakota State UniversityEuphorbia esulaWeed controlWeedsArticle